CN207889073U - A kind of secondary ejection mold with elastic vertical top - Google Patents
A kind of secondary ejection mold with elastic vertical top Download PDFInfo
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- CN207889073U CN207889073U CN201820244256.0U CN201820244256U CN207889073U CN 207889073 U CN207889073 U CN 207889073U CN 201820244256 U CN201820244256 U CN 201820244256U CN 207889073 U CN207889073 U CN 207889073U
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- Prior art keywords
- ejector retainner
- retainner plate
- thimble
- plate
- elastic
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Abstract
A kind of secondary ejection mold with elastic vertical top, including upper mold, lower die, first ejector retainner plate, second ejector retainner plate, several ejector pin components and elastic component, lower die is equipped with several lower modes towards the end face of upper mold, the one end of lower die far from upper mold is equipped with accommodating cavity, first ejector retainner plate and the second ejector retainner plate interval sliding are located in accommodating cavity, each ejector pin component corresponds to each lower mode setting respectively, and each ejector pin component includes elastic thimble and thimble, one end of elastic thimble is fixedly arranged on the second ejector retainner plate, one end of thimble is fixedly arranged on the first ejector retainner plate, elastic component is fixedly arranged between the first ejector retainner plate and the second ejector retainner plate, for being compressed between the first ejector retainner plate and the second ejector retainner plate when the first ejector retainner plate is pressurized, so that the first ejector retainner plate and the second ejector retainner plate drive elastic thimble and thimble to eject the product from lower mode respectively.Secondary ejection mold disclosed by the utility model with elastic vertical top can ensure the smooth depanning of product, effectively ensure the quality of product.
Description
The utility model is related to technical field of mold more particularly to a kind of secondary ejection molds with elastic vertical top.
Background technology
In the injection molding production of product, the accuracy and precision that consider product mold design are not only needed, so that mold system
Standby product out meets design requirement, and is ensured that product can facilitate depanning, to ensure the quality of product.For tool
Have for hook, side opening or the isostructural product of back-off, due to hook, side opening or the isostructural presence of back-off, and leads to product
Depanning is extremely difficult, therefore, in mold design, it usually needs designs the supplementary structures such as oblique top, sliding block to realize the suitable of product
Sharp depanning ensures the quality of product.However, by the way of oblique top depanning, if it is tight to be provided with multiple rankings on same mold
The product to gather is easy to make to generate interference effect between adjacent oblique top, so as to cause production since mould inside space is smaller
Product can not be successfully depanning, not only seriously affect the quality of product, but also have an effect on the injection molding process of product.
Utility model content
The utility model embodiment discloses a kind of secondary ejection mold with elastic vertical top, can not only be in same mold
The compact product of the upper multiple rankings of setting, and also ensure the smooth depanning of product, effectively ensure the quality of product.
To achieve the above object, the utility model embodiment provides the following technical solutions：
The utility model provides a kind of secondary ejection mold with elastic vertical top, including
Upper mold, the upper mold are equipped with several spaced upper cores；
Lower die, the lower die are equipped with the lower mode of several correspondences upper cores setting towards the end face of the upper mold, respectively
The lower mode connect the cavity to be formed for shaped article with each upper cores respectively, and the lower die is far from the upper mold
One end is equipped with accommodating cavity, and projection of each lower mode on the one end of the lower die far from the upper mold is respectively positioned on the appearance
Set intracavitary；
Ejector retainner plate, the ejector retainner plate sliding are set in the accommodating cavity, and the ejector retainner plate includes spaced first top
Needle plate and the second ejector retainner plate, first ejector retainner plate are slidably disposed in side of the accommodating cavity far from the lower mode, and described
Two ejector retainner plates are slidably disposed in the side setting that the accommodating cavity closes on the lower mode；
Several ejector pin components, each ejector pin component correspond to each lower mode setting, each thimble group respectively
Part includes at least one elastic thimble and an at least thimble, and one end of each elastic thimble is fixedly arranged on described second
On ejector retainner plate, the other end of each elastic thimble stretches out the accommodating cavity and extends in the lower mode, the bullet
Property thimble be used for abuts be located at the cavity in the product；One end of each thimble is fixedly arranged on first thimble
On plate, the other end of each thimble, which both passes through second ejector retainner plate and stretches out the accommodating cavity, extends to the lower mode
Interior, the thimble is used to abut the product in the cavity；And
Elastic component, one end of the elastic component and first ejector retainner plate are affixed, the other end of the elastic component with it is described
Second ejector retainner plate is affixed, and the elastic component is for being compressed in first ejector retainner plate and described when first ejector retainner plate is pressurized
Between second ejector retainner plate, so that first ejector retainner plate and second ejector retainner plate drive the elastic thimble and the top respectively
Needle ejects the product from the lower mode.
As an alternative embodiment, in the utility model embodiment, the lower die includes that bottom plate, lower die are fixed
Plate and two spaced side plates being fixedly arranged between the bottom plate and the lower mold fixed plate, the bottom plate, the lower die are solid
Fixed board and the two side plate connections are enclosed the accommodating cavity, and the lower mold fixed plate closes on the upper mold setting, and described
Lower mold fixed plate is equipped with several lower modes, and the both ends of the both ends of first ejector retainner plate and second ejector retainner plate are sliding
It is dynamic to be connected to two side plates, and first ejector retainner plate closes on the bottom plate setting, second ejector retainner plate close on it is described under
Mould fixed plate is arranged.
As an alternative embodiment, in the utility model embodiment, first ejector retainner plate includes on first
Ejector retainner plate and the first time ejector retainner plate affixed with ejector retainner plate on described first, one end of each thimble under described first
Ejector retainner plate is affixed, and the other end of each thimble sequentially passes through ejector retainner plate on described first, second ejector retainner plate, described
Lower mold fixed plate is in the lower mode；
Second ejector retainner plate includes ejector retainner plate and the second time ejector retainner plate affixed with ejector retainner plate on described second on second,
One end of each elastic thimble is affixed with second time ejector retainner plate, and the other end of each elastic thimble is successively
Across ejector retainner plate, the lower mold fixed plate on described second in the lower mode.
As an alternative embodiment, in the utility model embodiment, the elastic component is spring, the mold
Further include guide rod, the guide rod is arranged in the elastic component, and one end of the guide rod and the bottom plate are affixed, institute
The other end for stating guide rod is abutted across first ejector retainner plate with second ejector retainner plate.
As an alternative embodiment, in the utility model embodiment, the bottom plate is equipped with through-hole, the mould
Tool further includes mandril, and the mandril is detachably arranged in the through-hole, for compressing first ejector retainner plate.
As an alternative embodiment, in the utility model embodiment, the mold further includes injection molding machine, described
Injection molding machine is set to the lower section of the bottom plate, and the mandril is fixedly arranged on the injection molding machine, and the injection molding machine is for controlling the top
Bar moves in the through-hole presses on first ejector retainner plate, so that first ejector retainner plate and second ejector retainner plate edge
Direction far from the bottom plate moves and the elastic thimble and the thimble is driven to eject the product from the lower mode.
As an alternative embodiment, in the utility model embodiment, fixed limit switches on the bottom plate,
Limited block is installed on the ejector retainner plate of first bottom, the limited block is correspondingly arranged with the limit switch, and the limited block is used
It is abutted in the limit switch.
As an alternative embodiment, in the utility model embodiment, the bullet in each ejector pin component
Property thimble and the quantity of the thimble be respectively two and four, and the axis of two relatively described lower modes of the elastic thimble
Line is symmetrical arranged, arbitrary two thimbles in four thimbles relatively described lower mode center symmetric setting respectively.
A kind of secondary ejection mold with elastic vertical top provided by the utility model, by the way that bullet is arranged on the second ejector retainner plate
Property thimble, to while realizing that product is buckled to straight ejection mould using elastic thimble, moreover it is possible to utilize the elastic force of elastic thimble
The bit space that allows needed for subsequent product depanning is provided for elastic thimble, so that product can smoothly go out under the action of thimble
Mould.Using such set-up mode, not only can effectively solve to occur making bit space inadequate when the existing back-off using lifter ejection
And cause product cannot smooth depanning the problem of, and can also effectively solve because product rank compact and mould inside space it is small due to
Interference problem between caused adjacent oblique top, and then can not only effectively ensure the smooth depanning of product, ensure the note of product
Modeling process, but also the compact product of multiple rankings, effectively save production cost can be set on same mold.
In addition, by the way that elastic component is arranged between the first ejector retainner plate and the second ejector retainner plate, elastic component snubber elastomeric top is utilized
The ejecting force of needle and thimble mitigates the vibrating effect of mold operation so that mold can be run more steady.
Description of the drawings
In order to illustrate more clearly of the technical scheme in the embodiment of the utility model, will make below to required in embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the front view of the secondary ejection mold with elastic vertical top disclosed in the utility model embodiment；
Fig. 2 is the left view of the secondary ejection mold with elastic vertical top disclosed in the utility model embodiment；
Fig. 3 is the left view of the secondary ejection mold (product has demoulded) with elastic vertical top disclosed in the utility model embodiment
Figure.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that described embodiment is only the utility model a part of the embodiment, rather than whole realities
Apply example.Based on the embodiments of the present invention, those of ordinary skill in the art institute without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
In the present invention, term "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outside",
" in ", "vertical", "horizontal", " transverse direction ", the orientation or positional relationship of the instructions such as " longitudinal direction " be orientation based on ... shown in the drawings or
Position relationship.These terms are not intended to limit indicated primarily to preferably describe the utility model and embodiment
Device, element or component must have particular orientation, or constructed and operated with particular orientation.
Also, above-mentioned part term is other than it can be used to indicate that orientation or positional relationship, it is also possible to for indicating it
His meaning, such as term "upper" also are likely used for indicating certain relations of dependence or connection relation in some cases.For ability
For the those of ordinary skill of domain, the concrete meaning of these terms in the present invention can be understood as the case may be.
In addition, term " installation ", " setting ", " being equipped with ", " connection ", " connected " shall be understood in a broad sense.For example, it may be solid
Fixed connection, is detachably connected or monolithic construction；Can be mechanical connection, or electrical connection；It can be directly connected, either
Indirectly connected through an intermediary, or it is two connections internal between device, element or component.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In addition, term " first ", " second " etc. are mainly used for distinguishing different devices, element or component (specifically
Type and construction may it is identical may also be different), be not intended to show or implies meaning showing device, element or component
Relative importance and quantity.Unless otherwise indicated, the meaning of " multiple " is two or more.
A kind of secondary ejection mold with elastic vertical top that the utility model embodiment is provided below with reference to attached drawing
It is described in detail.
Also referring to Fig. 1 to Fig. 3, a kind of Double-ejection mould with elastic vertical top of the utility model embodiment offer
Tool, including upper mold 10, lower die 20, ejector retainner plate 30, several ejector pin components 40 and elastic component 50.The upper mold 10 is arranged equipped with several intervals
The upper cores 12 of row, the lower die 20 are equipped with the lower mode of several correspondences upper cores 12 setting towards the end face of the upper mold 10, often
One lower mode connect the cavity formed for shaped article C with each upper cores 12 respectively.The lower die 20 is far from the upper mold
10 one end is equipped with accommodating cavity 11, and each the lower projection of mode on the one end of the lower die 20 far from the upper mold 10 is respectively positioned on
In the accommodating cavity 11.The ejector retainner plate 30 sliding is set in the accommodating cavity 11, which includes spaced first thimble
Plate 31 and the second ejector retainner plate 32, first ejector retainner plate 31 are slidably disposed in the side of the accommodating cavity 11 far from the lower mode, this second
Ejector retainner plate 32 is slidably disposed in the side that the accommodating cavity 11 closes on the lower mode.Each ejector pin component 40 corresponds to each under this respectively
Mode is arranged, and each ejector pin component 40 includes at least one elastic thimble 41 and an at least thimble 42, each elastic top
One end of needle 41 is fixedly arranged on second ejector retainner plate 32, and the other end of each elasticity thimble 41 stretches out the accommodating cavity 11 simultaneously
It extends in the lower mode, which is used to abut the products C in the cavity.One end of each thimble 42 is solid
On first ejector retainner plate 31, the other end of each thimble 42, which both passes through second ejector retainner plate 32 and stretches out the accommodating cavity 11, to be prolonged
It extends in the lower mode, which is used to abut the products C in the cavity.One end of the elastic component 50 and first top
Needle plate 31 is affixed, and the other end of the elastic component 50 and second ejector retainner plate 32 are affixed, which is used in first thimble
Plate 31 be pressurized when compression first ejector retainner plate 31 and second ejector retainner plate 32 between so that first ejector retainner plate 31 and this second
Ejector retainner plate 32 drives the elasticity thimble 41 and thimble 42 to eject the products C from the lower mode respectively.
Wherein, which can be used for but be not limited to injection molding with back-off, hook or the isostructural product of side opening.
Should learn, when the mold be used for be molded have back-off structure product when, the elasticity thimble 41 it is another
The back-off part that the part abutted with the products C in the cavity in the lower mode is product, the elasticity thimble 41 are stretched into end
For ejecting the back-off part of the product out of this lower mode, the other end of the thimble 42 stretches into the lower mode and is located at should
The part that products C in cavity abuts is the main part of products C, which is used for the products C completely from the lower mode
Ejection.That is, the demoulding of a product needs elastic thimble 41 that can just be smoothly completed with the mating reaction simultaneously of thimble 42.This
Outside, in order to enable product can smooth depanning, in product depanning, which first ejects the lower die by the back-off part
Benevolence, effectively prevent occurring because back-off is blocked cause product cannot smoothly depanning or the case where cause depanning damage of product, then
Recycle the thimble 42 by the lower mode of the main part ejection of the product, while the back-off part of the product is also from the elasticity thimble
Fall off on 41, that is to say, that in the case where the elasticity thimble 41 ejects the back-off part after mode, the elasticity thimble 41 always with this
The back-off part of product abuts and provides support force for the back-off part.
Similarly, when the mold is used to be molded the product with hook or side opening structure, the other end of the elasticity thimble 41
The part for abutting product is hook or the side opening part of product, and it is the master of product that the other end of the thimble 42, which abuts the part of product,
Body portion.
In the present embodiment, which can be for be molded the mold with back-off structure product, under the upper mold 10 and this
Mould 20 is set gradually from top to bottom along the short transverse of the mold.The lower die 20 includes bottom plate 21, lower mold fixed plate 22 and fixed
The two spaced side plates 23 between the bottom plate 21 and the lower mold fixed plate 22, the bottom plate 21, the lower mold fixed plate 22 and
The connection of two side plates 23 is enclosed above-mentioned accommodating cavity 11, and the lower mold fixed plate 22 closes on the upper mold 10 setting, several to be somebody's turn to do
Lower mode is set in the lower mold fixed plate 22, and the both ends of first ejector retainner plate 31 are slidably connected to both side plate 23, so that should
First ejector retainner plate 31 can be slided up and down in the interior short transverse along the mold of the lower die 20, and then be driven on the thimble 42
Lower movement.The both ends of second ejector retainner plate 32 are slidably connected to both side plate 23, so that second top plate 32 can be at this
Short transverse in lower die 20 along the mold slides up and down, and then the elasticity thimble 41 is driven to move up and down.In addition, this
One ejector retainner plate 31 closes on the bottom plate 21 setting, which closes on the lower mold fixed plate 22 setting.
Using such set-up mode, primarily to the elasticity thimble 41 is enable first to eject the back-off part of product
Lower mode, while the elastic force itself having using elastic thimble 41 is that product is subsequently ejected lower die completely using thimble 42
Benevolence provides enough bit spaces that allows, effectively avoid the occurrence of cause because of resigning insufficient space product cannot smooth depanning the case where,
There is good stripping result to which product be effectively ensured.
Specifically, as shown in Fig. 2, injection molding when, upper mold 10 merges into a single whole with lower die 20, that is to say, that upper mold 10 and
The mutually lid of lower die 20 closes, so that products C can be by the upper cores 12 in upper mold 10 and the lower mode in lower die 20
Connect molding in the cavity formed.When the products C in the cavity 11 complete by molding, first, upper mold 10 is opened, at this point, production
Product C is located on lower mode, and the first ejector retainner plate 31 and 32 position of the second ejector retainner plate are set as initial position, then make this first
Ejector retainner plate 31 is moved from the initial position along the direction (directions A as shown in Figure 2) towards the lower mode, while first thimble
Plate 31 pushes second ejector retainner plate 32 to be moved together along the directions A as shown in Figure 2 by the elastic component 50, and then drives the elasticity
Thimble 41 is also moved along the directions A together with the thimble 42, until second ejector retainner plate 32 is moved to and supported with the lower mold fixed plate 22
When connecing, 32 stop motion of the second ejector retainner plate, at this point, the elasticity thimble 41 abuts with the back-off part of the products C and falls this
The lower mode of latch portion ejection, while the elasticity thimble 41 is that products C is subsequently intact using the elastic force that its own has
Depanning provides enough bit spaces that allows.After 32 stop motion of the second ejector retainner plate, which overcomes elastic component 50
Resistance continuation moved along the directions A, and the thimble 42 is driven to be moved along the directions A, continues to move along the directions A in the first ejector retainner plate 31
During, which always applies the product motive force in the directions A, until the product is ejected from the lower mode,
Namely (as shown in Figure 3) is completed in products C depanning.After the completion of the products C depanning, first ejector retainner plate 31 and second ejector retainner plate
32 will together along far from the lower mode direction (directions B as shown in Figure 2) move, until first ejector retainner plate 31 with this second
When ejector retainner plate 32 moves to initial position along the directions B as shown in Figure 2, by upper mold 10 be covered on again the lower die 20 and start into
The injection molding opening period of row next time.And so on, constantly carry out injection molding and die sinking process to realize.
Wherein, the quantity of the elastic thimble 41 in each group of ejector pin component 40 and thimble 42 may respectively be two and four
Root, and two elasticity thimbles 41 are symmetrical arranged with respect to the central axes of the lower mode, arbitrary two in four thimbles 42 should
Thimble 42 is respectively with respect to the lower mode center symmetric setting, to which in demoulding, product can be by elastic thimble 41 and thimble
The depanning integrality of product is effectively ensured so that product can smoothly be ejected from lower mode in 42 uniform thrust.
Certainly, in other embodiments, the quantity of the elastic thimble 41 in each group of ejector pin component 40 can be 3,4,5
The quantity of root or 6 etc., thimble 42 can be 6,8,10 or 12 etc..
Further, which is equipped with through-hole 211, which further includes mandril (not shown), and the mandril is removable
It unloads and is connected to the through-hole 211, for compressing first ejector retainner plate 31, moved along the directions A for first ejector retainner plate 31 and power is provided.
That is, after the completion of formed product, power which ejects the product with the thimble 42 lower mode be by
What the mandril provided, specifically, the mandril be pressed on the lower surface of first ejector retainner plate 31 across the through-hole 211 and push this
One ejector retainner plate 31 is moved along the directions A, while pushing second ejector retainner plate 32 to be moved together along the directions A by the elastic component 50, from
And realize that the elasticity thimble 41 is moved along the directions A together with the thimble 42, and second ejector retainner plate 32 move to under this
Mould fixed plate 22 abuts when stop motion, which continues as first ejector retainner plate 31 and provide power, so that first thimble
Plate 31 can overcome the resistance of the elastic component 50 and continue to move along the directions A, realize the demoulding of the product.When the product stripping is complete
Cheng Hou, the mandril are detached from the lower surface of first ejector retainner plate 31, which utilizes it with second ejector retainner plate 32
The gravity of itself is back to initial position along the directions B.
Wherein, the quantity of the through-hole 211 can be multiple, and the quantity of the mandril is corresponding with the quantity of the through-hole 211, also
It is to say, if being set on the bottom plate 21, there are three through-holes 211, and the quantity of the mandril is also three, and so on.In addition, utilizing
When product is ejected lower mode by mandril, more mandrils are to apply thrust to the first ejector retainner plate 31 together simultaneously, with ensure this
The balance of one ejector retainner plate 31, and then ensure several ejector pin components being set on first ejector retainner plate 31 and second ejector retainner plate 32
30 can be by same power.
Preferably, the quantity of the through-hole 211 is as the quantity of the ejector pin component 30, and each through-hole 211 corresponds to respectively
Each group of ejector pin component 30 is arranged, at this point, the quantity of the mandril is also the same with the quantity of ejector pin component 30, and each mandril
Each group of ejector pin component 30 is corresponded to respectively to be arranged.Using such design, can effectively ensure to be applied to each group of ejector pin component 30
On thrust balance, so as to realize multiple products in same mold while smoothly depanning.
Further, which further includes injection molding machine (not shown), which is set to the lower section of the bottom plate 21, the top
Bar is fixedly arranged on the injection molding machine, which, which is used to control the mandril to move in the through-hole 211, presses on first thimble
Plate 31 so that first ejector retainner plate 31 and second ejector retainner plate 32 are moved along the directions A, and drives the elasticity thimble 41 and the thimble
42 eject the product from the lower mode.That is, the mandril pushes first ejector retainner plate 31 and second ejector retainner plate 32 along A
The power of direction movement is provided by the injection molding machine.
Wherein, the lower section which is set to the bottom plate 21 refers to the distance of the injection molding machine to ground on the basis of ground
Less than the distance of the bottom plate 21 to ground.
In the present embodiment, which can be spring, and be located at just in the first ejector retainner plate 31 and the second ejector retainner plate 32
When beginning position, which has certain precompression, so that when first ejector retainner plate 31 is moved along the directions A, second top
Needle plate 32 can be moved along the directions A together.The mold further includes guide rod 51, and the guide rod 51 is arranged in the elastic component 50
It is interior, while one end of the guide rod 51 and the bottom plate 21 are affixed, the other end of the guide rod 51 pass through first ejector retainner plate 31 with
Second ejector retainner plate 32 abuts.Specifically, when the first ejector retainner plate 31 and the second ejector retainner plate 32 are located at initial position, the guide rod
51 provide support force for second ejector retainner plate 32, to prevent the second ejector retainner plate 32 from further compressing bullet down under gravity
Spring and cause shorten spring service life the case where.Moved along the directions A with second ejector retainner plate 32 when the first ejector retainner plate 31 or
When being moved along the directions B, which provides guiding role for the spring, and then is first ejector retainner plate 31 and second thimble
Plate 32 provides guiding role, so that it is guaranteed that the first ejector retainner plate 31 and the second ejector retainner plate 32 can be moved along the directions A or along the side B always
To movement, and then ensure that the first ejector retainner plate 31 and the second ejector retainner plate 32 can drive elastic thimble 41 and thimble 42 along straight line always
Direction is connected to product.
In the present embodiment, fixed limited on the bottom plate 21 in order to ensure first needle plate 31 has been back to initial position
Bit switch 212 is installed with limited block 311 on the first bottom ejector retainner plate 31, and the limited block 311 is corresponding with the limit switch 212
Setting, the limited block 311 with the limit switch 212 for abutting.Specifically, which, should in initial position
Limited block 311 is abutted with the limit switch 212, when first ejector retainner plate 31 is moved along the directions A, is set to first ejector retainner plate 31
On limited block 311 (that is, the limited block 311 is moved along the direction far from the limit switch 212) is also moved along the directions A together,
That is, during product stripping, which is (as shown in Figure 3) not abutted with the limit switch 212,
In injection molding, which is (as shown in Figure 2) abutted with the limit switch 212, and therefore, staff can be by looking into
See whether the limited block 311 is connected to the limit switch 212 and knows whether first ejector retainner plate 31 has returned to initial position, from
And determine whether to start injection moulding process next time.
Further, which is equipped with indicator light (not shown), and when the limited block 311 is opened with the limit
When closing 212 abutting, which gives a green light, when the limited block 311 is not abutted with the limit switch 212, the indicator light azarin
Lamp, so that staff can intuitively know whether the first ejector retainner plate 31 has returned initially according to the color that indicator light lights
Position.
Further, the limit switch 212 be equipped with alarm (not shown), when the limited block 311 not with the limit
When switch 212 abuts, which sends out alarm, so that staff can know that product is noted in time according to alarm
There are abnormal conditions in modeling.
In the present embodiment, in order to prevent the elasticity thimble 41 and thimble 42 from the first ejector retainner plate 31 and the second ejector retainner plate 32
On fall off, which includes ejector retainner plate 31a and the first time thimble affixed ejector retainner plate 31a on first with this on first
One end of plate 31b, each thimble 42 are affixed with first time ejector retainner plate 31b, and the other end of each thimble 42 is equal
Sequentially pass through this on first ejector retainner plate 31a, the second ejector retainner plate 32, lower mold fixed plate 22 in lower mode.Second ejector retainner plate
32 include the ejector retainner plate 32a and second time ejector retainner plate 32b affixed with ejector retainner plate 32a on second on second, each elastic top
One end of needle 41 is affixed with second time ejector retainner plate 32b, and the other end of each elasticity thimble 41 sequentially passes through on second
Ejector retainner plate 32a, lower mold fixed plate 22 are in lower mode.Using such design, ejector retainner plate 31a is protected on available first
The fixing end of the thimble 42 effectively prevent the thimble 42 to fall off from first time ejector retainner plate 31b.Similarly, on available second
Ejector retainner plate 32a protects the fixing end of the elasticity thimble 41, and the elasticity thimble 41 is effectively prevent to be taken off from second time ejector retainner plate 32b
It falls.
A kind of secondary ejection mold with elastic vertical top provided by the utility model, by the way that bullet is arranged on the second ejector retainner plate
Property thimble, to while realizing that product is buckled to straight ejection mould using elastic thimble, moreover it is possible to utilize the elastic force of elastic thimble
The bit space that allows needed for subsequent product depanning is provided for elastic thimble, so that product can smoothly go out under the action of thimble
Mould.Using such set-up mode, not only can effectively solve to occur making bit space inadequate when the existing back-off using lifter ejection
And cause product cannot smooth depanning the problem of, and can also effectively solve because product rank compact and mould inside space it is small due to
Interference problem between caused adjacent oblique top, and then can not only effectively ensure the smooth depanning of product, ensure the note of product
Modeling process, but also the compact product of multiple rankings, effectively save production cost can be set on same mold.
In addition, by the way that elastic component is arranged between the first ejector retainner plate and the second ejector retainner plate, elastic component snubber elastomeric top is utilized
The ejecting force of needle and thimble mitigates the vibrating effect of mold operation so that mold can be run more steady.
Detailed Jie has been carried out to a kind of secondary ejection mold with elastic vertical top disclosed in the utility model embodiment above
It continues, specific case used herein is expounded the principles of the present invention and embodiment, and above example is said
A kind of bright jig that realizing multi-process synchronous processing for being merely used to help understand the utility model and its process equipment and its core
Thought is thought；Meanwhile those of ordinary skill in the art in specific implementation mode and are answered according to the thought of the utility model
With there will be changes in range, to sum up, the content of the present specification should not be construed as a limitation of the present invention.
Claims (8)
1. a kind of secondary ejection mold with elastic vertical top, which is characterized in that including
Upper mold, the upper mold are equipped with several spaced upper cores；
Lower die, the lower die is equipped with the lower mode of several correspondences upper cores setting towards the end face of the upper mold, each described
Lower mode connect the cavity to be formed for shaped article, the one end of the lower die far from the upper mold with each upper cores respectively
Equipped with accommodating cavity, and projection of each lower mode on the one end of the lower die far from the upper mold is respectively positioned on the accommodating cavity
It is interior；
Ejector retainner plate, the ejector retainner plate sliding are set in the accommodating cavity, and the ejector retainner plate includes spaced first ejector retainner plate
And second ejector retainner plate, first ejector retainner plate are slidably disposed in side of the accommodating cavity far from the lower mode, second top
Needle plate is slidably disposed in the side that the accommodating cavity closes on the lower mode；
Several ejector pin components, each ejector pin component correspond to each lower mode setting respectively, and each ejector pin component is equal
Including at least one elastic thimble and an at least thimble, one end of each elastic thimble is fixedly arranged on second thimble
On plate, the other end of each elastic thimble stretches out the accommodating cavity and extends in the lower mode, the elastic top
Needle is used to abut the product in the cavity；One end of each thimble is fixedly arranged on first ejector retainner plate
On, the other end of each thimble, which both passes through second ejector retainner plate and stretches out the accommodating cavity, extends to the lower mode
Interior, the thimble is used to abut the product in the cavity；And
Elastic component, one end of the elastic component and first ejector retainner plate are affixed, the other end of the elastic component and described second
Ejector retainner plate is affixed, and the elastic component when first ejector retainner plate is pressurized for being compressed in first ejector retainner plate and described second
Between ejector retainner plate, so that first ejector retainner plate and second ejector retainner plate drive the elastic thimble and the thimble will respectively
The product is ejected from the lower mode.
2. the secondary ejection mold according to claim 1 with elastic vertical top, which is characterized in that the lower die includes bottom
Plate, lower mold fixed plate and two spaced side plates being fixedly arranged between the bottom plate and the lower mold fixed plate, the bottom plate,
The lower mold fixed plate and the two side plate connections are enclosed the accommodating cavity, and the lower mold fixed plate is closed on the upper mold and set
It sets, and the lower mold fixed plate is equipped with several lower modes, the both ends of first ejector retainner plate and second ejector retainner plate
Both ends be slidably connected to two side plates, and first ejector retainner plate closes on the bottom plate setting, second ejector retainner plate
Close on the lower mold fixed plate setting.
3. the secondary ejection mold according to claim 2 with elastic vertical top, which is characterized in that the first ejector retainner plate packet
Include ejector retainner plate and the first time ejector retainner plate affixed with ejector retainner plate on described first on first, one end of each thimble is and institute
State that first time ejector retainner plate is affixed, the other end of each thimble sequentially passes through ejector retainner plate on described first, second top
Needle plate, the lower mold fixed plate are in the lower mode；
Second ejector retainner plate includes ejector retainner plate and the second time ejector retainner plate affixed with ejector retainner plate on described second on second, each
One end of the elasticity thimble is affixed with second time ejector retainner plate, and the other end of each elastic thimble sequentially passes through
Ejector retainner plate, the lower mold fixed plate are in the lower mode on described second.
4. the secondary ejection mold according to claim 2 or 3 with elastic vertical top, which is characterized in that the elastic component is
Spring, the mold further include guide rod, and the guide rod is arranged in the elastic component, and one end of the guide rod and institute
State that bottom plate is affixed, the other end of the guide rod is abutted across first ejector retainner plate with second ejector retainner plate.
5. the secondary ejection mold according to claim 4 with elastic vertical top, which is characterized in that the bottom plate is equipped with logical
Hole, the mold further include mandril, and the mandril is detachably arranged in the through-hole, for compressing first ejector retainner plate.
6. the secondary ejection mold according to claim 5 with elastic vertical top, which is characterized in that the mold further includes note
Molding machine, the injection molding machine are set to the lower section of the bottom plate, and the mandril is fixedly arranged on the injection molding machine, and the injection molding machine is for controlling
It makes the mandril and is moved in the through-hole and press on first ejector retainner plate, so that first ejector retainner plate and described second
Ejector retainner plate moves along the direction far from the bottom plate and drives the elastic thimble and the thimble by the product under described
Mode ejects.
7. the secondary ejection mold according to claim 3 with elastic vertical top, which is characterized in that be installed on the bottom plate
Limit switch is installed with limited block on the ejector retainner plate of first bottom, and the limited block is correspondingly arranged with the limit switch, described
Limited block with the limit switch for abutting.
8. the secondary ejection mold according to claim 2 or 3 with elastic vertical top, which is characterized in that each thimble
The quantity of the elasticity thimble and the thimble is respectively two and four in component, and two elastic thimbles are relatively described
The central axes of lower mode are symmetrical arranged, the relatively described lower mode center respectively of arbitrary two thimbles in four thimbles
It is symmetrical arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820244256.0U CN207889073U (en) | 2018-02-09 | 2018-02-09 | A kind of secondary ejection mold with elastic vertical top |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820244256.0U CN207889073U (en) | 2018-02-09 | 2018-02-09 | A kind of secondary ejection mold with elastic vertical top |
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| Publication Number | Publication Date |
|---|---|
| CN207889073U true CN207889073U (en) | 2018-09-21 |
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ID=63543009
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820244256.0U Expired - Fee Related CN207889073U (en) | 2018-02-09 | 2018-02-09 | A kind of secondary ejection mold with elastic vertical top |
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| Country | Link |
|---|---|
| CN (1) | CN207889073U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109352929A (en) * | 2018-10-24 | 2019-02-19 | 西安康倍机电科技有限公司 | A kind of injection mold ejecting structure |
| CN110001001A (en) * | 2019-04-11 | 2019-07-12 | 精英模具（珠海）有限公司 | A kind of injection mold and its injection moulding process of Double-ejection |
| CN111761790A (en) * | 2020-07-02 | 2020-10-13 | 惠州市忠邦电子有限公司 | Injection molding device |
-
2018
- 2018-02-09 CN CN201820244256.0U patent/CN207889073U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109352929A (en) * | 2018-10-24 | 2019-02-19 | 西安康倍机电科技有限公司 | A kind of injection mold ejecting structure |
| CN110001001A (en) * | 2019-04-11 | 2019-07-12 | 精英模具（珠海）有限公司 | A kind of injection mold and its injection moulding process of Double-ejection |
| CN110001001B (en) * | 2019-04-11 | 2024-04-19 | 精英模具（珠海）有限公司 | Injection mold capable of realizing secondary ejection and injection molding method thereof |
| CN111761790A (en) * | 2020-07-02 | 2020-10-13 | 惠州市忠邦电子有限公司 | Injection molding device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20180921 Termination date: 20190209 |